Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1642+690 (independent mode)

Data - Demeaned data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 250.5327022743554°
Declination: 68.9443767548754°
No. sessions: 238
No. delays: 19597
Defining: Yes
RMS(α cos δ) = 5.9243 mas
RMS(δ) = 5.3030 mas

Quarterly time series for 1642+690

Data - Demeaned data

Right ascension: 250.5327021769095°
Declination: 68.9443767367466°
No. sessions: 236
No. delays: 19385
Defining: Yes
RMS(α cos δ) = 0.2047 mas
RMS(δ) = 0.2097 mas